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A259425
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Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111
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1
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5116, 244228, 11155819, 516880938, 23840819225, 1101527291223, 50866278137234, 2349427850331898, 108508759637883502, 5011650686139055977, 231469252522568886300, 10690739165994474824625, 493766694363268100694125
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 62 (see link above)
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EXAMPLE
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Some solutions for n=1
..1..0..0..0..1..1..1....1..0..0..1..1..1..0....0..1..0..1..0..1..1
..1..1..1..0..0..1..0....1..0..0..1..0..0..0....0..0..0..1..0..1..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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